// Copyright (c) 2012-2017 The Bitcoin Core developers
// Copyright (c) @2024 The PHICOIN Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.

#include "merkleblock.h"
#include "uint256.h"
#include "test/test_phicoin.h"

#include <boost/test/unit_test.hpp>


BOOST_FIXTURE_TEST_SUITE(merkleblock_tests, BasicTestingSetup)

/**
 * Create a CMerkleBlock using a list of txids which will be found in the
 * given block.
 */
    BOOST_AUTO_TEST_CASE(merkleblock_construct_from_txids_found_test)
    {
        BOOST_TEST_MESSAGE("Running MerkleBlock Construct From TxIDs Found Test");

        CBlock block = getBlock13b8a();

        std::set<uint256> txids;

        // Last txn in block.
        uint256 txhash1 = uint256S("0x74d681e0e03bafa802c8aa084379aa98d9fcd632ddc2ed9782b586ec87451f20");

        // Second txn in block.
        uint256 txhash2 = uint256S("0xf9fc751cb7dc372406a9f8d738d5e6f8f63bab71986a39cf36ee70ee17036d07");

        txids.insert(txhash1);
        txids.insert(txhash2);

        CMerkleBlock merkleBlock(block, txids);

        BOOST_CHECK_EQUAL(merkleBlock.header.GetHash().GetHex(), block.GetHash().GetHex());

        // vMatchedTxn is only used when bloom filter is specified.
        BOOST_CHECK_EQUAL(merkleBlock.vMatchedTxn.size(), (uint64_t)0);

        std::vector<uint256> vMatched;
        std::vector<unsigned int> vIndex;

        BOOST_CHECK_EQUAL(merkleBlock.txn.ExtractMatches(vMatched, vIndex).GetHex(), block.hashMerkleRoot.GetHex());
        BOOST_CHECK_EQUAL(vMatched.size(), (uint64_t)2);

        // Ordered by occurrence in depth-first tree traversal.
        BOOST_CHECK_EQUAL(vMatched[0].ToString(), txhash2.ToString());
        BOOST_CHECK_EQUAL(vIndex[0], (uint64_t)1);

        BOOST_CHECK_EQUAL(vMatched[1].ToString(), txhash1.ToString());
        BOOST_CHECK_EQUAL(vIndex[1], (uint64_t)8);
    }


/**
 * Create a CMerkleBlock using a list of txids which will not be found in the
 * given block.
 */
    BOOST_AUTO_TEST_CASE(merkleblock_construct_from_txids_not_found_test)
    {
        BOOST_TEST_MESSAGE("Running MerkleBlock Construct From TxIDs Not Found Test");

        CBlock block = getBlock13b8a();

        std::set<uint256> txids2;
        txids2.insert(uint256S("0xc0ffee00003bafa802c8aa084379aa98d9fcd632ddc2ed9782b586ec87451f20"));
        CMerkleBlock merkleBlock(block, txids2);

        BOOST_CHECK_EQUAL(merkleBlock.header.GetHash().GetHex(), block.GetHash().GetHex());
        BOOST_CHECK_EQUAL(merkleBlock.vMatchedTxn.size(), (uint64_t)0);

        std::vector<uint256> vMatched;
        std::vector<unsigned int> vIndex;

        BOOST_CHECK_EQUAL(merkleBlock.txn.ExtractMatches(vMatched, vIndex).GetHex(), block.hashMerkleRoot.GetHex());
        BOOST_CHECK_EQUAL(vMatched.size(), (uint64_t)0);
        BOOST_CHECK_EQUAL(vIndex.size(), (uint64_t)0);
    }

BOOST_AUTO_TEST_SUITE_END()
